18747550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5281}}^1$

素因数の和:5364

約数の個数: 24

約数和(自身を含む): 35368272

約数和(自身を除く): 16620722

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5281, 10562, 26405, 52810, 132025, 264050, 374951, 749902, 1874755, 3749510, 9373775, 18747550]

約数ペア:

[(1, 18747550), (2, 9373775), (5, 3749510), (10, 1874755), (25, 749902), (50, 374951), (71, 264050), (142, 132025), (355, 52810), (710, 26405), (1775, 10562), (3550, 5281)]